mailwolt-installer/scripts/75-le-issue.sh

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#!/usr/bin/env bash
set -euo pipefail
source ./lib.sh
ACME_WEBROOT="/var/www/letsencrypt"
install -d -m 0755 "${ACME_WEBROOT}/.well-known/acme-challenge"
# Staging optional (verbraucht kein Live-Limit)
CERTBOT_EXTRA=()
LE_STAGING="${LE_STAGING:-0}"
[[ "$LE_STAGING" = "1" ]] && CERTBOT_EXTRA+=(--test-cert)
# Einheitliche LE-Mail (Fallback)
LE_MAIL="${LE_EMAIL:-admin@${BASE_DOMAIN}}"
resolve_ok() {
local host="$1"
local pats=()
[[ -n "${SERVER_PUBLIC_IPV4:-}" ]] && pats+=("${SERVER_PUBLIC_IPV4//./\\.}")
[[ -n "${SERVER_PUBLIC_IPV6:-}" ]] && pats+=("${SERVER_PUBLIC_IPV6//:/\\:}")
[[ ${#pats[@]} -eq 0 ]] && return 0
getent ahosts "$host" | awk '{print $1}' | sort -u \
| grep -Eq "^($(IFS='|'; echo "${pats[*]}"))$"
}
probe_http() {
local host="$1"
echo test > "${ACME_WEBROOT}/.well-known/acme-challenge/_probe"
curl -fsS --max-time 5 -4 "http://${host}/.well-known/acme-challenge/_probe" >/dev/null \
|| curl -fsS --max-time 5 -6 "http://${host}/.well-known/acme-challenge/_probe" >/dev/null
}
issue() {
local host="${1:-}"
[[ -z "$host" ]] && return 0
echo "[i] Versuche LE für ${host}"
if ! resolve_ok "$host"; then
echo "[!] DNS zeigt (noch) nicht hierher überspringe: ${host}"
return 0
fi
if ! probe_http "$host"; then
echo "[!] ACME-HTTP-Check für ${host} fehlgeschlagen (Port 80/IPv6/Firewall/Nginx prüfen)."
# wir versuchen trotzdem Certbot meldet sich, falls es scheitert
fi
EXTRA_ARGS=()
# Für MX den Key wiederverwenden → stabiler TLSA (3 1 1)
[[ "$host" == "${MAIL_HOSTNAME}" ]] && EXTRA_ARGS+=(--reuse-key)
# WICHTIG: Deploy-Wrapper anhängen, damit Symlinks/Nginx gesetzt werden
certbot certonly \
--agree-tos -m "${LE_MAIL}" --non-interactive \
--webroot -w "${ACME_WEBROOT}" -d "${host}" \
--deploy-hook /usr/local/sbin/mw-deploy.sh \
"${EXTRA_ARGS[@]}" "${CERTBOT_EXTRA[@]}" || true
}
if [[ "${BASE_DOMAIN}" != "example.com" ]]; then
issue "${UI_HOST:-}"
issue "${WEBMAIL_HOST:-}"
issue "${MAIL_HOSTNAME:-}"
# Nginx nur neu laden, wenn aktiv
if systemctl is-active --quiet nginx; then
systemctl reload nginx || true
fi
else
echo "[i] BASE_DOMAIN=example.com LE wird übersprungen."
fi